CN208669650U - Integral type high-speed permanent magnetic centrifugal blower - Google Patents
Integral type high-speed permanent magnetic centrifugal blower Download PDFInfo
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- CN208669650U CN208669650U CN201821097663.XU CN201821097663U CN208669650U CN 208669650 U CN208669650 U CN 208669650U CN 201821097663 U CN201821097663 U CN 201821097663U CN 208669650 U CN208669650 U CN 208669650U
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- impeller
- centrifugal blower
- magnetic bearing
- rotor
- integral type
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Abstract
Integral type high-speed permanent magnetic centrifugal blower, the shell including both ends conducting are equipped with gas outlet in case top, are respectively arranged on the left side and the right side an end cap for having air inlet in shell, the impeller being made of several blades is equipped in shell, rotor is equipped on impeller；Impeller serves as rotor, bearing and the annulus with permanent magnet is respectively set on the annular convex platform of impeller two sides outer wall, motor and centrifugal blower are effectively combined into one by this novel structure type, the winding for the generation axial magnetic flux that two side ends cover will be set as stator, impeller and annulus with permanent magnet are as rotor, it realizes and directly drives the impeller with permanent magnet circle ring using the rotating excitation field that winding generates, using frequency control, different performance parameters is realized under different rotating speeds, it is applied widely；It can be operated in the state of permanent torque；Bearing is directly installed on impeller, realizes shaftless operating, simple and compact for structure, may be coupled directly on pipeline, failure rate is low.
Description
Technical field:
The utility model relates to integral type high-speed permanent magnetic centrifugal blowers.
Background technique:
Centrifugal blower is to improve gas pressure by the mechanical energy of input and supply gas side by side the machinery of body, it is a kind of driven
Fluid machinery.Centrifugal blower is widely used in the ventilation of factory, mine, tunnel, cooling tower, vehicle, ship and building, dust discharge
And cooling；The ventilation of boiler and industrial furnace and air inducing；Cooling and ventilation in the apparatus of air conditioning and domestic electric appliance；Paddy
It the drying of object and selects and recommends；Inflation and propulsion of wind-tunnel wind regime and aircushion vehicle etc..The abrasion of centrifugal blower transmission portion often occurs
Plant issue, including fan bearing position, bearing chamber abrasion, the abrasion of blower shaft bearing position etc..
Utility model content:
The utility model in order to make up for the deficiencies of the prior art, provides integral type high-speed permanent magnetic centrifugal blower, it has
The advantages such as less energy-consuming, wind-force are powerful, reasonable in design, energy-efficient, failure rate is low, efficiently solve and exist in the prior art
The problem of.
Used technical solution is the utility model to solve above-mentioned technical problem:
Integral type high-speed permanent magnetic centrifugal blower, the shell including both ends conducting are equipped with gas outlet in case top, in shell
Be respectively arranged on the left side and the right side an end cap for having air inlet, the impeller that is made of several blades is equipped in shell, in impeller
It is equipped with rotor；The opposite position of corresponding rotor is respectively equipped with a stator on the inner sidewall of two end cap, and stator passes through
Conducting wire is connected with variable-frequency speed-regulating controller；The impeller is double-entry impeller；An annular convex platform is equipped on the lateral wall of impeller,
Magnetic bearing once is installed respectively, the opposite position of corresponding lower magnetic bearing on the inner sidewall of two end cap in annular convex platform
It sets and is respectively equipped with magnetic bearing on one, the identical setting with the polarity of upper magnetic bearing of lower magnetic bearing.
The rotor is the monolithic annulus magnet or biplate annular magnet being separately positioned on impeller.
The stator is annular core.
Lower magnetic bearing boss-shaped in a ring, the upper magnetic bearing are that the annular that matches with lower magnetic bearing is recessed
Mesa-shaped.
The utility model using the above scheme, for existing high-speed centrifugal fan, devises one
Formula high-speed permanent magnetic centrifugal blower, structure type is: impeller serves as rotor, distinguishes on the annular convex platform of impeller two sides outer wall
Bearing and the annulus with permanent magnet are set, and motor and centrifugal blower are effectively combined into one by this novel structure type
The winding for the generation axial magnetic flux that two side ends cover will be arranged in as stator, impeller and the annulus conduct with permanent magnet in body
Rotor is realized and directly drives the impeller with permanent magnet circle ring using the rotating excitation field that winding generates, driven using permanent magnet
Electric energy is saved, transmission efficiency is improved, it is energy-efficient；Using frequency control, different performance parameters is realized under different rotating speeds,
It is applied widely；It can be operated in the state of permanent torque；Bearing is directly installed on impeller, realizes shaftless operating, and structure is simply tight
It gathers, may be coupled directly on pipeline, failure rate is low.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of lower magnetic bearing in the utility model.
Fig. 3 is the structural schematic diagram of upper magnetic bearing in the utility model.
In figure, 1, shell, 2, gas outlet, 3, air inlet, 4, end cap, 5, impeller, 6, rotor, 7, stator, 8, annular convex platform,
9, lower magnetic bearing, 10, upper magnetic bearing.
Specific embodiment:
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this reality
It is described in detail with novel.
As shown in Figure 1-3, integral type high-speed permanent magnetic centrifugal blower, the shell 1 including both ends conducting, set at the top of shell 1
There is gas outlet 2, an end cap 4 for having air inlet 3 is respectively arranged on the left side and the right side in shell 1, if being equipped in shell 1 by cured leaf
The impeller 5 of piece composition, is equipped with rotor 6 on impeller 5；The opposite position of corresponding rotor 6 on the inner sidewall of two end cap 4
It is respectively equipped with a stator 7, stator 7 is connected by conducting wire with variable-frequency speed-regulating controller；The impeller is double-entry impeller；In impeller
Lateral wall is equipped with an annular convex platform 8, magnetic bearing 9 is installed respectively in annular convex platform 8, in the inner sidewall of two end cap 4
The opposite position of upper corresponding lower magnetic bearing 9 is respectively equipped with magnetic bearing 10 on one, lower magnetic bearing 9 and upper magnetic force axis
Hold the 10 identical setting of polarity.
The rotor 6 is the monolithic annulus magnet or biplate annular magnet being separately positioned on impeller.
The stator 7 is annular core.
8 shape of boss, the upper magnetic bearing 10 match the lower magnetic bearing 9 with lower magnetic bearing 9 in a ring
Annular concave platform shape.
The course of work of the utility model:
First by the high-speed permanent magnetic electromechanical assembling of the application on pipeline, then it is powered to annular core, from
And rotating excitation field is generated, the PM rotor 6 in rotating excitation field impeller 5 rotates, to force impeller 5 under magnetic fields
Rotation, the rotation of impeller 5 make 5 entrance of impeller generate negative pressure, and air enters inside impeller 5 from air inlet 3, and passes through the impeller of rotation
5 centrifugal force generated get rid of air into Centrifugal Fans Shell 1 from the outer of impeller 5, and gas outlet 2 of the air on shell 1 is discharged.
Realize the function of blower, the high-speed permanent magnetic electromechanical blower of the application multiple can be used in series, and be used in series better effect,
The electromechanical blower of the application has many advantages, such as that reasonable in design, wind-force is big, energy-efficient, failure rate is low, No leakage.
Above-mentioned specific embodiment cannot function as the limitation to scope of protection of the utility model, for the skill of the art
For art personnel, any alternate modification or transformation made to the utility model embodiment all fall within the guarantor of the utility model
It protects in range.
Place is not described in detail for the utility model, is the well-known technique of those skilled in the art of the present technique.
Claims (4)
1. integral type high-speed permanent magnetic centrifugal blower, the shell including both ends conducting are equipped with gas outlet in case top, feature exists
In: it is respectively arranged on the left side and the right side an end cap for having air inlet in shell, the leaf being made of several blades is equipped in shell
Wheel is equipped with rotor on impeller；The opposite position of corresponding rotor is respectively equipped with a stator on the inner sidewall of two end cap,
Stator is connected by conducting wire with variable-frequency speed-regulating controller；The impeller is double-entry impeller；A ring is equipped on the lateral wall of impeller
Shape boss installs magnetic bearing respectively in annular convex platform, the corresponding lower magnetic force axis on the inner sidewall of two end cap
It holds opposite position and is respectively equipped with magnetic bearing on one, the identical setting with the polarity of upper magnetic bearing of lower magnetic bearing.
2. integral type high-speed permanent magnetic centrifugal blower according to claim 1, it is characterised in that: the rotor is to be respectively set
Monolithic annulus magnet or biplate annular magnet on impeller.
3. integral type high-speed permanent magnetic centrifugal blower according to claim 1 or 2, it is characterised in that: the stator is annular
Iron core.
4. integral type high-speed permanent magnetic centrifugal blower according to claim 1, it is characterised in that: the lower magnetic bearing is in ring
Shape boss-shaped, the upper magnetic bearing are the annular concave platform shape matched with lower magnetic bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821097663.XU CN208669650U (en) | 2018-07-11 | 2018-07-11 | Integral type high-speed permanent magnetic centrifugal blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821097663.XU CN208669650U (en) | 2018-07-11 | 2018-07-11 | Integral type high-speed permanent magnetic centrifugal blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208669650U true CN208669650U (en) | 2019-03-29 |
Family
ID=65827090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821097663.XU Active CN208669650U (en) | 2018-07-11 | 2018-07-11 | Integral type high-speed permanent magnetic centrifugal blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208669650U (en) |
-
2018
- 2018-07-11 CN CN201821097663.XU patent/CN208669650U/en active Active
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